winhelp: Check against a NULL pointer dereference.

38daafb7 · Elias Benali · Alexandre Julliard · 2ab63774 · 38daafb7
Commit 38daafb7 authored Apr 29, 2008 by Elias Benali Committed by Alexandre Julliard Apr 30, 2008
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winhelp.c programs/winhelp/winhelp.c +1 -1

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--- a/programs/winhelp/winhelp.c
+++ b/programs/winhelp/winhelp.c
@@ -579,7 +579,7 @@ BOOL WINHELP_CreateHelpWindow(WINHELP_WNDPAGE* wpage, int nCmdShow, BOOL remembe
                }
                SetWindowPos(win->hMainWnd, HWND_TOP, pt.x, pt.y, sz.cx, sz.cy, flags);

-                if (wpage->page && wpage->page->file != win->page->file)
+                if (wpage->page && win->page && wpage->page->file != win->page->file)
                    WINHELP_DeleteBackSet(win);
                WINHELP_InitFonts(win->hMainWnd);